A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5975-00-292-3250
NSN 2925-01-016-3111
NSN 6650-00-905-9317
NSN 5835-01-182-1966
NSN 6220-01-052-0912
NSN 5855-01-141-8227
NSN 5990-01-510-4699
NSN 5835-01-606-8768
NSN 6110-01-370-4234
NSN 5990-01-433-3786
NSN 5975-00-008-5772
NSN 6135-00-968-8594